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callcount

testing.B.Run

standard library

The 6906th most-called standard-library method by production calls. Called 9,260 times across 441 modules; 88 of those run outside tests and generated code.

No change in production calls since 2026-W39.

All of testing → Docs on pkg.go.dev ↗

prod calls
88
non-test, non-generated
all calls
9,260
total callsites
modules
441
distinct callers
in loop
42%
of prod calls
in tests
99%
9,172 calls
resolved
100%
to a known target

resolution mix

How each call resolves

How each call was attributed. Only resolved kinds, where the target function is known, count toward the ranking. Interface dispatch and unresolved receivers are reported separately and never guessed. Read the taxonomy →

  • Concrete method100%A method on a value whose type is known exactly.

who calls this

Notable callers

Production calls into B.Run from notable Go projects. Open one on the map to see what else it hammers.

where it's called

Callsites in the wild

12 representative callsites of 9,260, prioritizing in-loop and non-test usage. We link to source, never display it.

B.Run · 12 of 9,260 callsites

top callers

The modules that reach for it

The modules that call B.Run most in this snapshot.

  • github.com/VictoriaMetrics/VictoriaLogs3514%
  • github.com/VictoriaMetrics/VictoriaMetrics3364%
  • github.com/open-policy-agent/opa3344%
  • github.com/weaviate/weaviate2613%
  • github.com/cloudflare/circl2593%

siblings

More from testing

The other most-called members in this package. See all →